122,123,124 Mammalian CYPs are a family of heme-containing NAD(P)H-dependent monooxygenases that metabolize numerous endogenous metabolites, including fatty acids and steroids, and exogenous substrates, including carcinogens, pesticides and drugs, resulting in continuous production of ROS
Some studies suggest that B12 shots provide a more immediate and potent effect than pills, mainly because the vitamin is injected directly into the bloodstream
Inability to work, at a time when many jobs are already on the line
For example, individuals with gastrointestinal issues may find injections more beneficial, as they ensure the vitamin bypasses the digestive system entirely
References 1.Banting FG, Best CH, Collip JB, Campbell WR, Fletcher AA: Pancreatic extracts in the treatment of diabetes mellitus
Powdered B12 doesnt degrade as fast and is less expensive